Answer:
Extinction
Explanation:
Based on the information provided within the question it seems that Amber is trying to see if extinction will occur. Extinction refers to when a species or group of organism's die out because of a change in their environment or a diminished resource. In this situation since the fish's are used to the light signaling that there is food, Amber wants to see if without turning on the light for a week if the fish's will know that there is food or if they will die completely.
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usually 12 to 16 days before she receives her period and the 5 days that follow her period ending
I would have to agree with you. D) when he or she leaves the relationship
It does make sense that if he or she leave an abusive relationship that the abuser would come after them. It takes a lot of courage for someone to leave an abusive relationship. I think in many cases the person would rather stay in the abusive relationship because they fear the repercussions of what would happen if they left.
Hopefully this helped and good luck.
